Nitrogen (N) deficiency is a major constraint to the productivity of the African smallholder farming systems. Grain, green manure and forage legumes have the potential to improve the soil N fertility of smallholder farming systems through biological N2-fixation. The N2-fixation of bean (Phaseolus...
Ojiem, JO
,
Vanlauwe, Bernard
,
Ridder, N.A. de
,
Giller, Ken E.
,
[Niche-based assessment of contributions of legumes to the nitrogen economy of Western Kenya smallholder farms]
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Niche-based assessment of contributions of legumes to the nitrogen economy of Western Kenya smallholder farms
N2Africa was selected as a case study within the PROIntensAfrica initiative. In this case study, N2Africa focused on the potential role of legumes in sustainable intensification. The case study was conducted in two of the N2Africa countries, Ghana and Kenya, and involved literature research, stak...
Marinus, W.
,
Ronner, E.
,
Ven, G.W.J. van de
,
Kanampiu, F.
,
Adjei-Nsiah, Samuel
,
Giller, Ken E.
,
[What role for legumes in sustainable intensification? – case studies in Western Kenya and Northern Ghana for PROIntensAfrica]
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What role for legumes in sustainable intensification? – case studies in Western Kenya and Northern Ghana for PROIntensAfrica
Ollenburger, M.
,
Crane, Todd A.
,
Descheemaeker, Katrien
,
Giller, Ken E.
,
[Are farmers searching for an African green revolution? Exploring the solution space for agricultural intensification in southern Mali]
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Are farmers searching for an African green revolution? Exploring the solution space for agricultural intensification in southern Mali
Increasing land pressure during the past three to four decades has transformed farming systems in the
mid-altitude zone of East Africa. Traditional millet-, cotton-, sugarcane- and/or banana-based farming
systems with an important fallow and/or grazing component have evolved into continuously cul...
Fermont, A.V.
,
Asten, Piet J.A. van
,
Giller, Ken E.
,
[Increasing land pressure in East Africa: the changing role of cassava and consequences for sustainability of farming systems]
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Increasing land pressure in East Africa: the changing role of cassava and consequences for sustainability of farming systems
Livestock play multiple roles for smallholder farmers in sub-Saharan Africa. Mixed crop-livestock systems are common in South Kivu, eastern DR Congo, but herd sizes are small and numbers of large livestock (i.e. cattle) have declined, due to high population density, recent conflicts and extreme p...
Klapwijk, C.J.
,
Schut, M.
,
Asten, Piet J.A. van
,
Vanlauwe, Bernard
,
Giller, Ken E.
,
Descheemaeker, K.
,
[Micro-livestock in smallholder farming systems: the role, challenges and opportunities for cavies in South Kivu, eastern DR Congo]
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Micro-livestock in smallholder farming systems: the role, challenges and opportunities for cavies in South Kivu, eastern DR Congo
The role of livestock in nitrogen cycling in mixed crop-livestock farming systems of sub-Saharan Africa was explored. Cattle were fed a range of diets to investigate the effects on partitioning of nitrogen between urine and faeces and on the chemical composition of the manures produced. The trade...
Delve, Robert J.
,
Cadisch, Georg
,
Tanner, J.C.
,
Thorpe, W.R.
,
Thorne, Peter J.
,
Giller, Ken E.
,
[Implications of livestock feeding management on soil fertility in the smallholder farming systems of sub-Saharan Africa]
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Implications of livestock feeding management on soil fertility in the smallholder farming systems of sub-Saharan Africa
Rural households in semi-arid areas of southern Africa are confronted with numerous hazards that threaten the household food base. The new wildlife policy of establishing transfrontier conservation areas aims to increase conservation of wildlife resources while improving local livelihoods. This p...
Murungweni, C.
,
Wijk, Mark T. van
,
Giller, Ken E.
,
Andersson, Jens A.
,
Smaling, E.M.A.
,
[Adaptive livelihood strategies employed by farmers to close the food gap in semi-arid south eastern Zimbabwe]
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Adaptive livelihood strategies employed by farmers to close the food gap in semi-arid south eastern Zimbabwe
Agricultural intensification of farming systems in sub-Saharan Africa is a prerequisite to alleviate rural poverty and improve livelihoods. Legumes have shown great potential to enhance system productivity. On-farm experiments were conducted in different agro-ecological zones (AEZ) in Western Ken...
Ojiem, J.O.
,
Franke, A.C.
,
Vanlauwe, Bernard
,
Ridder, N.A. de
,
Giller, Ken E.
,
[Benefits of legumemaize rotations: assessing the impact of diversity on the productivity of smallholders in Western Kenya]
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Benefits of legumemaize rotations: assessing the impact of diversity on the productivity of smallholders in Western Kenya
Klapwijk, C.J.
,
Timler, Carl J.
,
Mashingaidze, N.
,
Groot, Jeroen C.J.
,
Descheemaeker, Katrien
,
Franke, L.
,
Tittonell, Pablo A.
,
Giller, Ken E.
,
Bekunda, Mateete A.
,
Larbi, Asamoah
,
Chikowo, Regis
,
Falconnier, G.N.
,
Ollenburger, M.H.
,
Mourik, T.A. van
,
[Rising to the challenge of sustainable intensification of agricultural production in Africa: Farming systems design to support action research for development]
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Rising to the challenge of sustainable intensification of agricultural production in Africa: Farming systems design to support action research for development
Hengsdijk, H.
,
Franke, A.C.
,
Wijk, Mark T. van
,
Giller, Ken E.
,
[How small is beautiful? Food self-sufficiency and land gap analysis of smallholders in humid and semi-arid sub Saharan Africa]
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How small is beautiful? Food self-sufficiency and land gap analysis of smallholders in humid and semi-arid sub Saharan Africa